Home > Electrodes > AWS Class E320LR-16 Electrodes
MERIH STAINLESS, a prominent manufacturer located in Istanbul, Turkey, is dedicated to crafting top-notch stainless steel welding consumables. One of their standout products is the AWS Class E320LR-16 electrodes, specifically engineered for welding high-alloy austenitic stainless steels. These electrodes are known for their exceptional corrosion resistance and mechanical strength, making them perfect for demanding applications in industries like chemical processing, power generation, and heat treatment. With strict quality controls in place, MERIH STAINLESS guarantees consistent weld quality, smooth arc performance, and easy slag removal, ensuring these electrodes are a trusted choice for fabrication and repair welding around the globe.
The AWS Class E320LR-16 electrodes are formulated with significant amounts of Chromium (approximately 19–21%), Nickel (around 31–34%), and a low Carbon content (≤0.04%). This unique composition provides outstanding resistance to oxidation and corrosion, particularly at high temperatures. These electrodes are built to endure harsh service conditions, including exposure to sulfur and other aggressive chemicals. Their mechanical properties boast a tensile strength of at least 520 MPa, yield strength of at least 240 MPa, and an elongation of at least 30%. The rutile coating ensures stable arc performance and smooth weld beads, making them suitable for welding in any position while maintaining optimal weld integrity and durability.
| Classification | AWS A5.4, E320LR-16 |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | AC-DCEP (Direct Current Electrode Positive) |
| Welding Position | F, V, OH, H |
| Size | 2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm |
| AC/DC+ | AC or DC (+) |
| JIS Specification | BS 2926 19.9 A R |
| Other Specification | DIN 8556 E19 9 R 23 A |
| AWS E320LR-16 Coated Electrodes Application & uses |
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| C | Cr | Ni | Mo | Nb + Ta | Mn | Si | P | S | Cu |
| 0.03 | 19.0-21.0 | 32.0-36.0 | 2.0-3.0 | 8 X C, min to 0.40 max | 1.50-2.50 | 0.30 | 0.02 | 0.015 | 3.0-4.0 |
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These electrodes offer excellent corrosion resistance and are suitable for welding stainless steel structures. They come in various diameters, such as 2.5 mm, 3.2 mm, and 4.0 mm. The light coating facilitates smooth arc stability and minimal spatter.
Providing superior corrosion resistance, heavy-coated electrodes are ideal for high-stress applications. They are available in diameters of 3.2 mm, 4.0 mm, and 5.0 mm. The heavy coating enhances the weld’s integrity and improves its resistance to oxidation.
With excellent corrosion resistance, these electrodes are designed for shielded arc welding of stainless steel. They are typically available in 2.5 mm, 3.2 mm, and 4.0 mm. The shielded arc provides enhanced protection against contamination during welding.
AWS Class E320LR-16 electrodes are widely utilized for welding 320 and 320L stainless steels in scenarios that demand high corrosion resistance and thermal stability. They find common use in industries such as petrochemical, refinery equipment, and high-temperature furnace components, where protection against intergranular attack and oxidation is essential. These electrodes are also perfect for joining and overlaying parts that face elevated temperatures and corrosive environments. MERIH STAINLESS distributes these electrodes worldwide, providing reliable solutions for various welding needs.
AWS Class E320LR-16 electrodes are used primarily for welding high-strength low-alloy steels, including those in construction and heavy equipment manufacturing. These electrodes are known for their excellent crack resistance, low hydrogen content, and strong weldability, making them ideal for structural applications in industries such as shipbuilding, bridges and pipelines. The E320LR-16 electrodes provide high tensile strength and durability, offering a strong, reliable weld that can withstand harsh environments and heavy-duty applications.







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